Home / 12,382.60-18,575.45-4,063.49

Finding the Fourth Proportional to 12,382.60, 18,575.45 and 4,063.49

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Solution

The fourth proportional to 12,382.60, 18,575.45 and 4,063.49 is: 6,095.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.60 : 18,575.45 = 4,063.49 : x
  2. Step 2: Convert to fraction form
    12,382.60/18,575.45 = 4,063.49/x
  3. Step 3: Cross multiply
    12,382.60x = 18,575.45 × 4,063.49
  4. Step 4: Simplify right side
    12,382.60x = 75,481,190.69
  5. Step 5: Solve for x
    x = 75,481,190.69/12,382.60
  6. Step 6: Final answer
    x = 6,095.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.